using namespace std;
#include<iostream>
#include<unistd.h>

int main()
{
        for(int i = 0; environ[i]; i++)
        {
                printf("argv[%d]: %s\n", i, environ[i]);
        }
        cout << "hello c++"<<endl;
        cout << "hello c++"<<endl;
        return 0;

}
